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Finding the Fourth Proportional to 549,950.83, 758,918.90 and 304,934.33

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Solution

The fourth proportional to 549,950.83, 758,918.90 and 304,934.33 is: 420,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,950.83 : 758,918.90 = 304,934.33 : x
  2. Step 2: Convert to fraction form
    549,950.83/758,918.90 = 304,934.33/x
  3. Step 3: Cross multiply
    549,950.83x = 758,918.90 × 304,934.33
  4. Step 4: Simplify right side
    549,950.83x = 231,420,428,955.47
  5. Step 5: Solve for x
    x = 231,420,428,955.47/549,950.83
  6. Step 6: Final answer
    x = 420,802.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.